128707920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5417}}^1$

素因数の和:5450

約数の個数: 160

約数和(自身を含む): 483719040

約数和(自身を除く): 355011120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 880, 990, 1080, 1188, 1320, 1485, 1584, 1980, 2160, 2376, 2640, 2970, 3960, 4752, 5417, 5940, 7920, 10834, 11880, 16251, 21668, 23760, 27085, 32502, 43336, 48753, 54170, 59587, 65004, 81255, 86672, 97506, 108340, 119174, 130008, 146259, 162510, 178761, 195012, 216680, 238348, 243765, 260016, 292518, 297935, 325020, 357522, 390024, 433360, 476696, 487530, 536283, 585036, 595870, 650040, 715044, 731295, 780048, 893805, 953392, 975060, 1072566, 1170072, 1191740, 1300080, 1430088, 1462590, 1608849, 1787610, 1950120, 2145132, 2340144, 2383480, 2681415, 2860176, 2925180, 3217698, 3575220, 3900240, 4290264, 4766960, 5362830, 5850360, 6435396, 7150440, 8044245, 8580528, 10725660, 11700720, 12870792, 14300880, 16088490, 21451320, 25741584, 32176980, 42902640, 64353960, 128707920]

約数ペア:

[(1, 128707920), (2, 64353960), (3, 42902640), (4, 32176980), (5, 25741584), (6, 21451320), (8, 16088490), (9, 14300880), (10, 12870792), (11, 11700720), (12, 10725660), (15, 8580528), (16, 8044245), (18, 7150440), (20, 6435396), (22, 5850360), (24, 5362830), (27, 4766960), (30, 4290264), (33, 3900240), (36, 3575220), (40, 3217698), (44, 2925180), (45, 2860176), (48, 2681415), (54, 2383480), (55, 2340144), (60, 2145132), (66, 1950120), (72, 1787610), (80, 1608849), (88, 1462590), (90, 1430088), (99, 1300080), (108, 1191740), (110, 1170072), (120, 1072566), (132, 975060), (135, 953392), (144, 893805), (165, 780048), (176, 731295), (180, 715044), (198, 650040), (216, 595870), (220, 585036), (240, 536283), (264, 487530), (270, 476696), (297, 433360), (330, 390024), (360, 357522), (396, 325020), (432, 297935), (440, 292518), (495, 260016), (528, 243765), (540, 238348), (594, 216680), (660, 195012), (720, 178761), (792, 162510), (880, 146259), (990, 130008), (1080, 119174), (1188, 108340), (1320, 97506), (1485, 86672), (1584, 81255), (1980, 65004), (2160, 59587), (2376, 54170), (2640, 48753), (2970, 43336), (3960, 32502), (4752, 27085), (5417, 23760), (5940, 21668), (7920, 16251), (10834, 11880)]